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Simplify sscanf pattern for parsing /etc/hosts

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dmiller
2024-04-25 17:12:27 +00:00
parent 1c751cf6d3
commit 0b79498c04
1 changed files with 2 additions and 3 deletions
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5
nmap_dns.cc
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@@ -1005,9 +1005,8 @@ static void parse_etchosts(const char *fname) {
// Skip any leading whitespace
while (*tp == ' ' || *tp == '\t') tp++;
std::stringstream pattern;
pattern << "%" << INET6_ADDRSTRLEN << "s %255s";
if (sscanf(tp, pattern.str().c_str(), ipaddrstr, hname) == 2)
static const char *pattern = "%" STR(INET6_ADDRSTRLEN) "s %255s";
if (sscanf(tp, pattern, ipaddrstr, hname) == 2)
if (sockaddr_storage_inet_pton(ipaddrstr, &ia))
{
const std::string hname_ = hname;